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Physical Layers
Test Description: Grades 6-8 Earth Science
Instructions: Answer all questions to get your test result.
1) The ___ layering system is based on composition - meaning what substances each layer is made of.
A
properties
B
physical
C
chemical
D
mechanical
2) The ___ layering system is based on properties - meaning how the materials in each layer behave (ex: states of matter).
A
properties
B
compositional
C
physical
D
chemical
3) The ___ is the PHYSICAL layer of solid, brittle rock that breaks and cracks easily.
A
lithosphere
B
crust
C
mesosphere
D
asthenosphere
4) The ___ is the PHYSICAL layer of semi-solid, taffy-like, soft weak rock that flows very slowly.
A
lithosphere
B
mesosphere
C
asthenosphere
D
mantle
5) The ___ is the PHYSICAL layer of solid, strong rock.
A
lithosphere
B
asthenosphere
C
mesosphere
D
mantle
6) The ___ is the PHYSICAL layer of melted, liquid metal.
A
inner core
B
core
C
outer core
D
mesosphere
7) The ___ is the PHYSICAL layer that is a ball of solid metal.
A
core
B
inner core
C
mesosphere
D
outer core
8) Which of the following shows the physical layers in order - beginning from the surface?
A
lithosphere asthenosphere mesosphere outer core inner core
B
inner core outer core mesosphere asthenosphere lithosphere
C
crust mantle core
D
lithosphere asthenosphere mesosphere inner core outer core
9) Scientists know about Earth's physical layers by studying ___.
A
earthquake waves
B
holes drilled deep into Earth
C
x-rays taken of Earth
D
pieces of rock
10) The motion of the liquid metal outer core around the solid metal inner core generates Earth's ___.
A
internal heat / high temperatures
B
gravity
C
ocean waves
D
magnetic field
11) The rock in the lithosphere is a ___.
A
semi-solid
B
solid
C
liquid
D
gas
12) The rock in the asthenosphere is a ___.
A
semi-solid
B
liquid
C
gas
D
solid
13) The metal in the outer core is a ___.
A
solid
B
semi-solid
C
liquid
D
gas
14) The metal in the inner core is a ___.
A
semi-soild
B
gas
C
liquid
D
solid
15) ___ crust is the thinner, heavier type of crust that makes up the seafloor.
A
continental
B
sea
C
basin
D
oceanic
16) ___ crust is the thicker, lightweight type of crust that makes up the land.
A
continental
B
land
C
oceanic
D
mountain
17) Earth's magnetic field protects our ___ from the Sun's solar wind.
A
hydrosphere
B
geosphere
C
atmosphere
D
cryosphere
18) A tectonic plate is a HUGE piece of the ___.
A
asthenosphere
B
lithosphere
C
mesosphere
D
crust
*select an answer for all questions
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